package java1;

public class Bird extends Animal implements Fly,Sing {
	void sleep() {
		System.out.println("站在树枝上睡");
	}
	public void fly() {
		System.out.println("振动着翅膀飞翔");
	}
	public void downAndOil() {
		System.out.println("停落在树枝上或地上吃点食物");
	}
	@Override
	public void sing() {
		System.out.println("叽叽喳喳地唱歌");
		
	}
}
